#ifndef _LINUX_HDREG_H
#define _LINUX_HDREG_H

#ifdef __KERNEL__
#include <linux/ata.h>

/*
 * This file contains some defines for the AT-hd-controller.
 * Various sources.
 */

/* ide.c has its own port definitions in "ide.h" */

#define HD_IRQ		14

/* Hd controller regs. Ref: IBM AT Bios-listing */
#define HD_DATA		0x1f0	/* _CTL when writing */
#define HD_ERROR	0x1f1	/* see err-bits */
#define HD_NSECTOR	0x1f2	/* nr of sectors to read/write */
#define HD_SECTOR	0x1f3	/* starting sector */
#define HD_LCYL		0x1f4	/* starting cylinder */
#define HD_HCYL		0x1f5	/* high byte of starting cyl */
#define HD_CURRENT	0x1f6	/* 101dhhhh , d=drive, hhhh=head */
#define HD_STATUS	0x1f7	/* see status-bits */
#define HD_FEATURE	HD_ERROR	/* same io address, read=error, write=feature */
#define HD_PRECOMP	HD_FEATURE	/* obsolete use of this port - predates IDE */
#define HD_COMMAND	HD_STATUS	/* same io address, read=status, write=cmd */

#define HD_CMD		0x3f6	/* used for resets */
#define HD_ALTSTATUS	0x3f6	/* same as HD_STATUS but doesn't clear irq */

/* remainder is shared between hd.c, ide.c, ide-cd.c, and the hdparm utility */

/* Bits of HD_STATUS */
#define ERR_STAT		0x01
#define INDEX_STAT		0x02
#define ECC_STAT		0x04	/* Corrected error */
#define DRQ_STAT		0x08
#define SEEK_STAT		0x10
#define SRV_STAT		0x10
#define WRERR_STAT		0x20
#define READY_STAT		0x40
#define BUSY_STAT		0x80

/* Bits for HD_ERROR */
#define MARK_ERR		0x01	/* Bad address mark */
#define ILI_ERR			0x01	/* Illegal Length Indication (ATAPI) */
#define TRK0_ERR		0x02	/* couldn't find track 0 */
#define EOM_ERR			0x02	/* End Of Media (ATAPI) */
#define ABRT_ERR		0x04	/* Command aborted */
#define MCR_ERR			0x08	/* media change request */
#define ID_ERR			0x10	/* ID field not found */
#define MC_ERR			0x20	/* media changed */
#define ECC_ERR			0x40	/* Uncorrectable ECC error */
#define BBD_ERR			0x80	/* pre-EIDE meaning:  block marked bad */
#define ICRC_ERR		0x80	/* new meaning:  CRC error during transfer */
#define LFS_ERR			0xf0	/* Last Failed Sense (ATAPI) */

/* Bits of HD_NSECTOR */
#define CD			0x01
#define IO			0x02
#define REL			0x04
#define TAG_MASK		0xf8
#endif /* __KERNEL__ */

#include <linux/types.h>

/*
 * Command Header sizes for IOCTL commands
 */

#define HDIO_DRIVE_CMD_HDR_SIZE		(4 * sizeof(__u8))
#define HDIO_DRIVE_HOB_HDR_SIZE		(8 * sizeof(__u8))
#define HDIO_DRIVE_TASK_HDR_SIZE	(8 * sizeof(__u8))

#define IDE_DRIVE_TASK_NO_DATA		0
#ifndef __KERNEL__
#define IDE_DRIVE_TASK_INVALID		-1
#define IDE_DRIVE_TASK_SET_XFER		1
#define IDE_DRIVE_TASK_IN		2
#define IDE_DRIVE_TASK_OUT		3
#endif
#define IDE_DRIVE_TASK_RAW_WRITE	4

/*
 * Define standard taskfile in/out register
 */
#define IDE_TASKFILE_STD_IN_FLAGS	0xFE
#define IDE_HOB_STD_IN_FLAGS		0x3C
#ifndef __KERNEL__
#define IDE_TASKFILE_STD_OUT_FLAGS	0xFE
#define IDE_HOB_STD_OUT_FLAGS		0x3C

typedef unsigned char task_ioreg_t;
typedef unsigned long sata_ioreg_t;
#endif

typedef union ide_reg_valid_s {
	unsigned all:16;
	struct {
		unsigned data:1;
		unsigned error_feature:1;
		unsigned sector:1;
		unsigned nsector:1;
		unsigned lcyl:1;
		unsigned hcyl:1;
		unsigned select:1;
		unsigned status_command:1;

		unsigned data_hob:1;
		unsigned error_feature_hob:1;
		unsigned sector_hob:1;
		unsigned nsector_hob:1;
		unsigned lcyl_hob:1;
		unsigned hcyl_hob:1;
		unsigned select_hob:1;
		unsigned control_hob:1;
	} b;
} ide_reg_valid_t;

typedef struct ide_task_request_s {
	__u8 io_ports[8];
	__u8 hob_ports[8];	/* bytes 6 and 7 are unused */
	ide_reg_valid_t out_flags;
	ide_reg_valid_t in_flags;
	int data_phase;
	int req_cmd;
	unsigned long out_size;
	unsigned long in_size;
} ide_task_request_t;

typedef struct ide_ioctl_request_s {
	ide_task_request_t *task_request;
	unsigned char *out_buffer;
	unsigned char *in_buffer;
} ide_ioctl_request_t;

struct hd_drive_cmd_hdr {
	__u8 command;
	__u8 sector_number;
	__u8 feature;
	__u8 sector_count;
};

#ifndef __KERNEL__
typedef struct hd_drive_task_hdr {
	__u8 data;
	__u8 feature;
	__u8 sector_count;
	__u8 sector_number;
	__u8 low_cylinder;
	__u8 high_cylinder;
	__u8 device_head;
	__u8 command;
} task_struct_t;

typedef struct hd_drive_hob_hdr {
	__u8 data;
	__u8 feature;
	__u8 sector_count;
	__u8 sector_number;
	__u8 low_cylinder;
	__u8 high_cylinder;
	__u8 device_head;
	__u8 control;
} hob_struct_t;
#endif

#define TASKFILE_NO_DATA		0x0000

#define TASKFILE_IN			0x0001
#define TASKFILE_MULTI_IN		0x0002

#define TASKFILE_OUT			0x0004
#define TASKFILE_MULTI_OUT		0x0008
#define TASKFILE_IN_OUT			0x0010

#define TASKFILE_IN_DMA			0x0020
#define TASKFILE_OUT_DMA		0x0040
#define TASKFILE_IN_DMAQ		0x0080
#define TASKFILE_OUT_DMAQ		0x0100

#ifndef __KERNEL__
#define TASKFILE_P_IN			0x0200
#define TASKFILE_P_OUT			0x0400
#define TASKFILE_P_IN_DMA		0x0800
#define TASKFILE_P_OUT_DMA		0x1000
#define TASKFILE_P_IN_DMAQ		0x2000
#define TASKFILE_P_OUT_DMAQ		0x4000
#define TASKFILE_48			0x8000
#define TASKFILE_INVALID		0x7fff
#endif

/* ATA/ATAPI Commands pre T13 Spec */
#define WIN_NOP				0x00
/*
 *	0x01->0x02 Reserved
 */
#define CFA_REQ_EXT_ERROR_CODE		0x03	/* CFA Request Extended Error Code */
/*
 *	0x04->0x07 Reserved
 */
#define WIN_SRST			0x08	/* ATAPI soft reset command */
#define WIN_DEVICE_RESET		0x08
/*
 *	0x09->0x0F Reserved
 */
#define WIN_RECAL			0x10
#define WIN_RESTORE			WIN_RECAL
/*
 *	0x10->0x1F Reserved
 */
#define WIN_READ			0x20	/* 28-Bit */
#define WIN_READ_ONCE			0x21	/* 28-Bit without retries */
#define WIN_READ_LONG			0x22	/* 28-Bit */
#define WIN_READ_LONG_ONCE		0x23	/* 28-Bit without retries */
#define WIN_READ_EXT			0x24	/* 48-Bit */
#define WIN_READDMA_EXT			0x25	/* 48-Bit */
#define WIN_READDMA_QUEUED_EXT		0x26	/* 48-Bit */
#define WIN_READ_NATIVE_MAX_EXT		0x27	/* 48-Bit */
/*
 *	0x28
 */
#define WIN_MULTREAD_EXT		0x29	/* 48-Bit */
/*
 *	0x2A->0x2F Reserved
 */
#define WIN_WRITE			0x30	/* 28-Bit */
#define WIN_WRITE_ONCE			0x31	/* 28-Bit without retries */
#define WIN_WRITE_LONG			0x32	/* 28-Bit */
#define WIN_WRITE_LONG_ONCE		0x33	/* 28-Bit without retries */
#define WIN_WRITE_EXT			0x34	/* 48-Bit */
#define WIN_WRITEDMA_EXT		0x35	/* 48-Bit */
#define WIN_WRITEDMA_QUEUED_EXT		0x36	/* 48-Bit */
#define WIN_SET_MAX_EXT			0x37	/* 48-Bit */
#define CFA_WRITE_SECT_WO_ERASE		0x38	/* CFA Write Sectors without erase */
#define WIN_MULTWRITE_EXT		0x39	/* 48-Bit */
/*
 *	0x3A->0x3B Reserved
 */
#define WIN_WRITE_VERIFY		0x3C	/* 28-Bit */
/*
 *	0x3D->0x3F Reserved
 */
#define WIN_VERIFY			0x40	/* 28-Bit - Read Verify Sectors */
#define WIN_VERIFY_ONCE			0x41	/* 28-Bit - without retries */
#define WIN_VERIFY_EXT			0x42	/* 48-Bit */
/*
 *	0x43->0x4F Reserved
 */
#define WIN_FORMAT			0x50
/*
 *	0x51->0x5F Reserved
 */
#define WIN_INIT			0x60
/*
 *	0x61->0x5F Reserved
 */
#define WIN_SEEK			0x70	/* 0x70-0x7F Reserved */

#define CFA_TRANSLATE_SECTOR		0x87	/* CFA Translate Sector */
#define WIN_DIAGNOSE			0x90
#define WIN_SPECIFY			0x91	/* set drive geometry translation */
#define WIN_DOWNLOAD_MICROCODE		0x92
#define WIN_STANDBYNOW2			0x94
#define WIN_STANDBY2			0x96
#define WIN_SETIDLE2			0x97
#define WIN_CHECKPOWERMODE2		0x98
#define WIN_SLEEPNOW2			0x99
/*
 *	0x9A VENDOR
 */
#define WIN_PACKETCMD			0xA0	/* Send a packet command. */
#define WIN_PIDENTIFY			0xA1	/* identify ATAPI device   */
#define WIN_QUEUED_SERVICE		0xA2
#define WIN_SMART			0xB0	/* self-monitoring and reporting */
#define CFA_ERASE_SECTORS		0xC0
#define WIN_MULTREAD			0xC4	/* read sectors using multiple mode */
#define WIN_MULTWRITE			0xC5	/* write sectors using multiple mode */
#define WIN_SETMULT			0xC6	/* enable/disable multiple mode */
#define WIN_READDMA_QUEUED		0xC7	/* read sectors using Queued DMA transfers */
#define WIN_READDMA			0xC8	/* read sectors using DMA transfers */
#define WIN_READDMA_ONCE		0xC9	/* 28-Bit - without retries */
#define WIN_WRITEDMA			0xCA	/* write sectors using DMA transfers */
#define WIN_WRITEDMA_ONCE		0xCB	/* 28-Bit - without retries */
#define WIN_WRITEDMA_QUEUED		0xCC	/* write sectors using Queued DMA transfers */
#define CFA_WRITE_MULTI_WO_ERASE	0xCD	/* CFA Write multiple without erase */
#define WIN_GETMEDIASTATUS		0xDA
#define WIN_ACKMEDIACHANGE		0xDB	/* ATA-1, ATA-2 vendor */
#define WIN_POSTBOOT			0xDC
#define WIN_PREBOOT 			0xDD
#define WIN_DOORLOCK			0xDE	/* lock door on removable drives */
#define WIN_DOORUNLOCK			0xDF	/* unlock door on removable drives */
#define WIN_STANDBYNOW1			0xE0
#define WIN_IDLEIMMEDIATE		0xE1	/* force drive to become "ready" */
#define WIN_STANDBY			0xE2	/* Set device in Standby Mode */
#define WIN_SETIDLE1			0xE3
#define WIN_READ_BUFFER			0xE4	/* force read only 1 sector */
#define WIN_CHECKPOWERMODE1		0xE5
#define WIN_SLEEPNOW1			0xE6
#define WIN_FLUSH_CACHE			0xE7
#define WIN_WRITE_BUFFER		0xE8	/* force write only 1 sector */
#define WIN_WRITE_SAME			0xE9	/* read ata-2 to use */
	/* SET_FEATURES 0x22 or 0xDD */
#define WIN_FLUSH_CACHE_EXT		0xEA	/* 48-Bit */
#define WIN_IDENTIFY			0xEC	/* ask drive to identify itself    */
#define WIN_MEDIAEJECT			0xED
#define WIN_IDENTIFY_DMA		0xEE	/* same as WIN_IDENTIFY, but DMA */
#define WIN_SETFEATURES			0xEF	/* set special drive features */
#define EXABYTE_ENABLE_NEST		0xF0
#define WIN_SECURITY_SET_PASS		0xF1
#define WIN_SECURITY_UNLOCK		0xF2
#define WIN_SECURITY_ERASE_PREPARE	0xF3
#define WIN_SECURITY_ERASE_UNIT		0xF4
#define WIN_SECURITY_FREEZE_LOCK	0xF5
#define WIN_SECURITY_DISABLE		0xF6
#define WIN_READ_NATIVE_MAX		0xF8	/* return the native maximum address */
#define WIN_SET_MAX			0xF9
#define DISABLE_SEAGATE			0xFB

/* WIN_SMART sub-commands */

#define SMART_READ_VALUES		0xD0
#define SMART_READ_THRESHOLDS		0xD1
#define SMART_AUTOSAVE			0xD2
#define SMART_SAVE			0xD3
#define SMART_IMMEDIATE_OFFLINE		0xD4
#define SMART_READ_LOG_SECTOR		0xD5
#define SMART_WRITE_LOG_SECTOR		0xD6
#define SMART_WRITE_THRESHOLDS		0xD7
#define SMART_ENABLE			0xD8
#define SMART_DISABLE			0xD9
#define SMART_STATUS			0xDA
#define SMART_AUTO_OFFLINE		0xDB

/* Password used in TF4 & TF5 executing SMART commands */

#define SMART_LCYL_PASS			0x4F
#define SMART_HCYL_PASS			0xC2

/* WIN_SETFEATURES sub-commands */
#define SETFEATURES_EN_8BIT	0x01	/* Enable 8-Bit Transfers */
#define SETFEATURES_EN_WCACHE	0x02	/* Enable write cache */
#define SETFEATURES_DIS_DEFECT	0x04	/* Disable Defect Management */
#define SETFEATURES_EN_APM	0x05	/* Enable advanced power management */
#define SETFEATURES_EN_SAME_R	0x22	/* for a region ATA-1 */
#define SETFEATURES_DIS_MSN	0x31	/* Disable Media Status Notification */
#define SETFEATURES_DIS_RETRY	0x33	/* Disable Retry */
#define SETFEATURES_EN_AAM	0x42	/* Enable Automatic Acoustic Management */
#define SETFEATURES_RW_LONG	0x44	/* Set Length of VS bytes */
#define SETFEATURES_SET_CACHE	0x54	/* Set Cache segments to SC Reg. Val */
#define SETFEATURES_DIS_RLA	0x55	/* Disable read look-ahead feature */
#define SETFEATURES_EN_RI	0x5D	/* Enable release interrupt */
#define SETFEATURES_EN_SI	0x5E	/* Enable SERVICE interrupt */
#define SETFEATURES_DIS_RPOD	0x66	/* Disable reverting to power on defaults */
#define SETFEATURES_DIS_ECC	0x77	/* Disable ECC byte count */
#define SETFEATURES_DIS_8BIT	0x81	/* Disable 8-Bit Transfers */
#define SETFEATURES_DIS_WCACHE	0x82	/* Disable write cache */
#define SETFEATURES_EN_DEFECT	0x84	/* Enable Defect Management */
#define SETFEATURES_DIS_APM	0x85	/* Disable advanced power management */
#define SETFEATURES_EN_ECC	0x88	/* Enable ECC byte count */
#define SETFEATURES_EN_MSN	0x95	/* Enable Media Status Notification */
#define SETFEATURES_EN_RETRY	0x99	/* Enable Retry */
#define SETFEATURES_EN_RLA	0xAA	/* Enable read look-ahead feature */
#define SETFEATURES_PREFETCH	0xAB	/* Sets drive prefetch value */
#define SETFEATURES_EN_REST	0xAC	/* ATA-1 */
#define SETFEATURES_4B_RW_LONG	0xBB	/* Set Length of 4 bytes */
#define SETFEATURES_DIS_AAM	0xC2	/* Disable Automatic Acoustic Management */
#define SETFEATURES_EN_RPOD	0xCC	/* Enable reverting to power on defaults */
#define SETFEATURES_DIS_RI	0xDD	/* Disable release interrupt ATAPI */
#define SETFEATURES_EN_SAME_M	0xDD	/* for a entire device ATA-1 */
#define SETFEATURES_DIS_SI	0xDE	/* Disable SERVICE interrupt ATAPI */

/* WIN_SECURITY sub-commands */

#define SECURITY_SET_PASSWORD		0xBA
#define SECURITY_UNLOCK			0xBB
#define SECURITY_ERASE_PREPARE		0xBC
#define SECURITY_ERASE_UNIT		0xBD
#define SECURITY_FREEZE_LOCK		0xBE
#define SECURITY_DISABLE_PASSWORD	0xBF

struct hd_geometry {
	unsigned char heads;
	unsigned char sectors;
	unsigned short cylinders;
	unsigned long start;
};

/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */
#define HDIO_GETGEO		0x0301	/* get device geometry */
#define HDIO_GET_UNMASKINTR	0x0302	/* get current unmask setting */
#define HDIO_GET_MULTCOUNT	0x0304	/* get current IDE blockmode setting */
#define HDIO_GET_QDMA		0x0305	/* get use-qdma flag */

#define HDIO_SET_XFER		0x0306	/* set transfer rate via proc */

#define HDIO_OBSOLETE_IDENTITY	0x0307	/* OBSOLETE, DO NOT USE: returns 142 bytes */
#define HDIO_GET_KEEPSETTINGS	0x0308	/* get keep-settings-on-reset flag */
#define HDIO_GET_32BIT		0x0309	/* get current io_32bit setting */
#define HDIO_GET_NOWERR		0x030a	/* get ignore-write-error flag */
#define HDIO_GET_DMA		0x030b	/* get use-dma flag */
#define HDIO_GET_NICE		0x030c	/* get nice flags */
#define HDIO_GET_IDENTITY	0x030d	/* get IDE identification info */
#define HDIO_GET_WCACHE		0x030e	/* get write cache mode on|off */
#define HDIO_GET_ACOUSTIC	0x030f	/* get acoustic value */
#define	HDIO_GET_ADDRESS	0x0310	/* */

#define HDIO_GET_BUSSTATE	0x031a	/* get the bus state of the hwif */
#define HDIO_TRISTATE_HWIF	0x031b	/* execute a channel tristate */
#define HDIO_DRIVE_RESET	0x031c	/* execute a device reset */
#define HDIO_DRIVE_TASKFILE	0x031d	/* execute raw taskfile */
#define HDIO_DRIVE_TASK		0x031e	/* execute task and special drive command */
#define HDIO_DRIVE_CMD		0x031f	/* execute a special drive command */
#define HDIO_DRIVE_CMD_AEB	HDIO_DRIVE_TASK

/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */
#define HDIO_SET_MULTCOUNT	0x0321	/* change IDE blockmode */
#define HDIO_SET_UNMASKINTR	0x0322	/* permit other irqs during I/O */
#define HDIO_SET_KEEPSETTINGS	0x0323	/* keep ioctl settings on reset */
#define HDIO_SET_32BIT		0x0324	/* change io_32bit flags */
#define HDIO_SET_NOWERR		0x0325	/* change ignore-write-error flag */
#define HDIO_SET_DMA		0x0326	/* change use-dma flag */
#define HDIO_SET_PIO_MODE	0x0327	/* reconfig interface to new speed */
#ifndef __KERNEL__
#define HDIO_SCAN_HWIF		0x0328	/* register and (re)scan interface */
#define HDIO_UNREGISTER_HWIF	0x032a	/* unregister interface */
#endif
#define HDIO_SET_NICE		0x0329	/* set nice flags */
#define HDIO_SET_WCACHE		0x032b	/* change write cache enable-disable */
#define HDIO_SET_ACOUSTIC	0x032c	/* change acoustic behavior */
#define HDIO_SET_BUSSTATE	0x032d	/* set the bus state of the hwif */
#define HDIO_SET_QDMA		0x032e	/* change use-qdma flag */
#define HDIO_SET_ADDRESS	0x032f	/* change lba addressing modes */

/* bus states */
enum {
	BUSSTATE_OFF = 0,
	BUSSTATE_ON,
	BUSSTATE_TRISTATE
};

/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */
/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */
/* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */
/* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */
/* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */

#define __NEW_HD_DRIVE_ID

/*
 * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec.
 *
 * If you change something here, please remember to update fix_driveid() in
 * ide/probe.c.
 */
struct hd_driveid {
	unsigned short config;	/* lots of obsolete bit flags */
	unsigned short cyls;	/* Obsolete, "physical" cyls */
	unsigned short reserved2;	/* reserved (word 2) */
	unsigned short heads;	/* Obsolete, "physical" heads */
	unsigned short track_bytes;	/* unformatted bytes per track */
	unsigned short sector_bytes;	/* unformatted bytes per sector */
	unsigned short sectors;	/* Obsolete, "physical" sectors per track */
	unsigned short vendor0;	/* vendor unique */
	unsigned short vendor1;	/* vendor unique */
	unsigned short vendor2;	/* Retired vendor unique */
	unsigned char serial_no[20];	/* 0 = not_specified */
	unsigned short buf_type;	/* Retired */
	unsigned short buf_size;	/* Retired, 512 byte increments
					 * 0 = not_specified
					 */
	unsigned short ecc_bytes;	/* for r/w long cmds; 0 = not_specified */
	unsigned char fw_rev[8];	/* 0 = not_specified */
	unsigned char model[40];	/* 0 = not_specified */
	unsigned char max_multsect;	/* 0=not_implemented */
	unsigned char vendor3;	/* vendor unique */
	unsigned short dword_io;	/* 0=not_implemented; 1=implemented */
	unsigned char vendor4;	/* vendor unique */
	unsigned char capability;	/* (upper byte of word 49)
					 *  3:  IORDYsup
					 *  2:  IORDYsw
					 *  1:  LBA
					 *  0:  DMA
					 */
	unsigned short reserved50;	/* reserved (word 50) */
	unsigned char vendor5;	/* Obsolete, vendor unique */
	unsigned char tPIO;	/* Obsolete, 0=slow, 1=medium, 2=fast */
	unsigned char vendor6;	/* Obsolete, vendor unique */
	unsigned char tDMA;	/* Obsolete, 0=slow, 1=medium, 2=fast */
	unsigned short field_valid;	/* (word 53)
					 *  2:  ultra_ok        word  88
					 *  1:  eide_ok         words 64-70
					 *  0:  cur_ok          words 54-58
					 */
	unsigned short cur_cyls;	/* Obsolete, logical cylinders */
	unsigned short cur_heads;	/* Obsolete, l heads */
	unsigned short cur_sectors;	/* Obsolete, l sectors per track */
	unsigned short cur_capacity0;	/* Obsolete, l total sectors on drive */
	unsigned short cur_capacity1;	/* Obsolete, (2 words, misaligned int)     */
	unsigned char multsect;	/* current multiple sector count */
	unsigned char multsect_valid;	/* when (bit0==1) multsect is ok */
	unsigned int lba_capacity;	/* Obsolete, total number of sectors */
	unsigned short dma_1word;	/* Obsolete, single-word dma info */
	unsigned short dma_mword;	/* multiple-word dma info */
	unsigned short eide_pio_modes;	/* bits 0:mode3 1:mode4 */
	unsigned short eide_dma_min;	/* min mword dma cycle time (ns) */
	unsigned short eide_dma_time;	/* recommended mword dma cycle time (ns) */
	unsigned short eide_pio;	/* min cycle time (ns), no IORDY  */
	unsigned short eide_pio_iordy;	/* min cycle time (ns), with IORDY */
	unsigned short words69_70[2];	/* reserved words 69-70
					 * future command overlap and queuing
					 */
	unsigned short words71_74[4];	/* reserved words 71-74
					 * for IDENTIFY PACKET DEVICE command
					 */
	unsigned short queue_depth;	/* (word 75)
					 * 15:5 reserved
					 *  4:0 Maximum queue depth -1
					 */
	unsigned short words76_79[4];	/* reserved words 76-79 */
	unsigned short major_rev_num;	/* (word 80) */
	unsigned short minor_rev_num;	/* (word 81) */
	unsigned short command_set_1;	/* (word 82) supported
					 * 15:  Obsolete
					 * 14:  NOP command
					 * 13:  READ_BUFFER
					 * 12:  WRITE_BUFFER
					 * 11:  Obsolete
					 * 10:  Host Protected Area
					 *  9:  DEVICE Reset
					 *  8:  SERVICE Interrupt
					 *  7:  Release Interrupt
					 *  6:  look-ahead
					 *  5:  write cache
					 *  4:  PACKET Command
					 *  3:  Power Management Feature Set
					 *  2:  Removable Feature Set
					 *  1:  Security Feature Set
					 *  0:  SMART Feature Set
					 */
	unsigned short command_set_2;	/* (word 83)
					 * 15:  Shall be ZERO
					 * 14:  Shall be ONE
					 * 13:  FLUSH CACHE EXT
					 * 12:  FLUSH CACHE
					 * 11:  Device Configuration Overlay
					 * 10:  48-bit Address Feature Set
					 *  9:  Automatic Acoustic Management
					 *  8:  SET MAX security
					 *  7:  reserved 1407DT PARTIES
					 *  6:  SetF sub-command Power-Up
					 *  5:  Power-Up in Standby Feature Set
					 *  4:  Removable Media Notification
					 *  3:  APM Feature Set
					 *  2:  CFA Feature Set
					 *  1:  READ/WRITE DMA QUEUED
					 *  0:  Download MicroCode
					 */
	unsigned short cfsse;	/* (word 84)
				 * cmd set-feature supported extensions
				 * 15:  Shall be ZERO
				 * 14:  Shall be ONE
				 * 13:6 reserved
				 *  5:  General Purpose Logging
				 *  4:  Streaming Feature Set
				 *  3:  Media Card Pass Through
				 *  2:  Media Serial Number Valid
				 *  1:  SMART selt-test supported
				 *  0:  SMART error logging
				 */
	unsigned short cfs_enable_1;	/* (word 85)
					 * command set-feature enabled
					 * 15:  Obsolete
					 * 14:  NOP command
					 * 13:  READ_BUFFER
					 * 12:  WRITE_BUFFER
					 * 11:  Obsolete
					 * 10:  Host Protected Area
					 *  9:  DEVICE Reset
					 *  8:  SERVICE Interrupt
					 *  7:  Release Interrupt
					 *  6:  look-ahead
					 *  5:  write cache
					 *  4:  PACKET Command
					 *  3:  Power Management Feature Set
					 *  2:  Removable Feature Set
					 *  1:  Security Feature Set
					 *  0:  SMART Feature Set
					 */
	unsigned short cfs_enable_2;	/* (word 86)
					 * command set-feature enabled
					 * 15:  Shall be ZERO
					 * 14:  Shall be ONE
					 * 13:  FLUSH CACHE EXT
					 * 12:  FLUSH CACHE
					 * 11:  Device Configuration Overlay
					 * 10:  48-bit Address Feature Set
					 *  9:  Automatic Acoustic Management
					 *  8:  SET MAX security
					 *  7:  reserved 1407DT PARTIES
					 *  6:  SetF sub-command Power-Up
					 *  5:  Power-Up in Standby Feature Set
					 *  4:  Removable Media Notification
					 *  3:  APM Feature Set
					 *  2:  CFA Feature Set
					 *  1:  READ/WRITE DMA QUEUED
					 *  0:  Download MicroCode
					 */
	unsigned short csf_default;	/* (word 87)
					 * command set-feature default
					 * 15:  Shall be ZERO
					 * 14:  Shall be ONE
					 * 13:6 reserved
					 *  5:  General Purpose Logging enabled
					 *  4:  Valid CONFIGURE STREAM executed
					 *  3:  Media Card Pass Through enabled
					 *  2:  Media Serial Number Valid
					 *  1:  SMART selt-test supported
					 *  0:  SMART error logging
					 */
	unsigned short dma_ultra;	/* (word 88) */
	unsigned short trseuc;	/* time required for security erase */
	unsigned short trsEuc;	/* time required for enhanced erase */
	unsigned short CurAPMvalues;	/* current APM values */
	unsigned short mprc;	/* master password revision code */
	unsigned short hw_config;	/* hardware config (word 93)
					 * 15:  Shall be ZERO
					 * 14:  Shall be ONE
					 * 13:
					 * 12:
					 * 11:
					 * 10:
					 *  9:
					 *  8:
					 *  7:
					 *  6:
					 *  5:
					 *  4:
					 *  3:
					 *  2:
					 *  1:
					 *  0:  Shall be ONE
					 */
	unsigned short acoustic;	/* (word 94)
					 * 15:8 Vendor's recommended value
					 *  7:0 current value
					 */
	unsigned short msrqs;	/* min stream request size */
	unsigned short sxfert;	/* stream transfer time */
	unsigned short sal;	/* stream access latency */
	unsigned int spg;	/* stream performance granularity */
	unsigned long long lba_capacity_2;	/* 48-bit total number of sectors */
	unsigned short words104_125[22];	/* reserved words 104-125 */
	unsigned short last_lun;	/* (word 126) */
	unsigned short word127;	/* (word 127) Feature Set
				 * Removable Media Notification
				 * 15:2 reserved
				 *  1:0 00 = not supported
				 *      01 = supported
				 *      10 = reserved
				 *      11 = reserved
				 */
	unsigned short dlf;	/* (word 128)
				 * device lock function
				 * 15:9 reserved
				 *  8   security level 1:max 0:high
				 *  7:6 reserved
				 *  5   enhanced erase
				 *  4   expire
				 *  3   frozen
				 *  2   locked
				 *  1   en/disabled
				 *  0   capability
				 */
	unsigned short csfo;	/*  (word 129)
				 * current set features options
				 * 15:4 reserved
				 *  3:  auto reassign
				 *  2:  reverting
				 *  1:  read-look-ahead
				 *  0:  write cache
				 */
	unsigned short words130_155[26];	/* reserved vendor words 130-155 */
	unsigned short word156;	/* reserved vendor word 156 */
	unsigned short words157_159[3];	/* reserved vendor words 157-159 */
	unsigned short cfa_power;	/* (word 160) CFA Power Mode
					 * 15 word 160 supported
					 * 14 reserved
					 * 13
					 * 12
					 * 11:0
					 */
	unsigned short words161_175[15];	/* Reserved for CFA */
	unsigned short words176_205[30];	/* Current Media Serial Number */
	unsigned short words206_254[49];	/* reserved words 206-254 */
	unsigned short integrity_word;	/* (word 255)
					 * 15:8 Checksum
					 *  7:0 Signature
					 */
};

/*
 * IDE "nice" flags. These are used on a per drive basis to determine
 * when to be nice and give more bandwidth to the other devices which
 * share the same IDE bus.
 */
#define IDE_NICE_DSC_OVERLAP	(0)	/* per the DSC overlap protocol */
#define IDE_NICE_ATAPI_OVERLAP	(1)	/* not supported yet */
#define IDE_NICE_1		(3)	/* when probably won't affect us much */
#ifndef __KERNEL__
#define IDE_NICE_0		(2)	/* when sure that it won't affect us */
#define IDE_NICE_2		(4)	/* when we know it's on our expense */
#endif

#endif /* _LINUX_HDREG_H */
